2. of, pertaining to, or suitable for one person only
3. solitary or sole; lone.
4. unmarried
5. of one against one, as combat or fight.
8. sincere and undivided
9. separate, particular, or distinct; individual
10. one person or thing; a single one.
—Synonyms
1. distinct, particular. 3. isolated. 4. unwed. 15. select. 18. individual.
—Can be confused: 1. unhappy, single ; 2. lonely, singular.